1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4(function(mod) {
  5  if (typeof exports == "object" && typeof module == "object") // CommonJS
  6    mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css"));
  7  else if (typeof define == "function" && define.amd) // AMD
  8    define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], mod);
  9  else // Plain browser env
 10    mod(CodeMirror);
 11})(function(CodeMirror) {
 12  "use strict";
 13
 14  var defaultTags = {
 15    script: [
 16      ["lang", /(javascript|babel)/i, "javascript"],
 17      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i, "javascript"],
 18      ["type", /./, "text/plain"],
 19      [null, null, "javascript"]
 20    ],
 21    style:  [
 22      ["lang", /^css$/i, "css"],
 23      ["type", /^(text\/)?(x-)?(stylesheet|css)$/i, "css"],
 24      ["type", /./, "text/plain"],
 25      [null, null, "css"]
 26    ]
 27  };
 28
 29  function maybeBackup(stream, pat, style) {
 30    var cur = stream.current(), close = cur.search(pat);
 31    if (close > -1) {
 32      stream.backUp(cur.length - close);
 33    } else if (cur.match(/<\/?$/)) {
 34      stream.backUp(cur.length);
 35      if (!stream.match(pat, false)) stream.match(cur);
 36    }
 37    return style;
 38  }
 39
 40  var attrRegexpCache = {};
 41  function getAttrRegexp(attr) {
 42    var regexp = attrRegexpCache[attr];
 43    if (regexp) return regexp;
 44    return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*");
 45  }
 46
 47  function getAttrValue(text, attr) {
 48    var match = text.match(getAttrRegexp(attr))
 49    return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : ""
 50  }
 51
 52  function getTagRegexp(tagName, anchored) {
 53    return new RegExp((anchored ? "^" : "") + "<\/\s*" + tagName + "\s*>", "i");
 54  }
 55
 56  function addTags(from, to) {
 57    for (var tag in from) {
 58      var dest = to[tag] || (to[tag] = []);
 59      var source = from[tag];
 60      for (var i = source.length - 1; i >= 0; i--)
 61        dest.unshift(source[i])
 62    }
 63  }
 64
 65  function findMatchingMode(tagInfo, tagText) {
 66    for (var i = 0; i < tagInfo.length; i++) {
 67      var spec = tagInfo[i];
 68      if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];
 69    }
 70  }
 71
 72  CodeMirror.defineMode("htmlmixed", function (config, parserConfig) {
 73    var htmlMode = CodeMirror.getMode(config, {
 74      name: "xml",
 75      htmlMode: true,
 76      multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,
 77      multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag
 78    });
 79
 80    var tags = {};
 81    var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes;
 82    addTags(defaultTags, tags);
 83    if (configTags) addTags(configTags, tags);
 84    if (configScript) for (var i = configScript.length - 1; i >= 0; i--)
 85      tags.script.unshift(["type", configScript[i].matches, configScript[i].mode])
 86
 87    function html(stream, state) {
 88      var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName
 89      if (tag && !/[<>\s\/]/.test(stream.current()) &&
 90          (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&
 91          tags.hasOwnProperty(tagName)) {
 92        state.inTag = tagName + " "
 93      } else if (state.inTag && tag && />$/.test(stream.current())) {
 94        var inTag = /^([\S]+) (.*)/.exec(state.inTag)
 95        state.inTag = null
 96        var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2])
 97        var mode = CodeMirror.getMode(config, modeSpec)
 98        var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);
 99        state.token = function (stream, state) {
100          if (stream.match(endTagA, false)) {
101            state.token = html;
102            state.localState = state.localMode = null;
103            return null;
104          }
105          return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));
106        };
107        state.localMode = mode;
108        state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, "", ""));
109      } else if (state.inTag) {
110        state.inTag += stream.current()
111        if (stream.eol()) state.inTag += " "
112      }
113      return style;
114    };
115
116    return {
117      startState: function () {
118        var state = CodeMirror.startState(htmlMode);
119        return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};
120      },
121
122      copyState: function (state) {
123        var local;
124        if (state.localState) {
125          local = CodeMirror.copyState(state.localMode, state.localState);
126        }
127        return {token: state.token, inTag: state.inTag,
128                localMode: state.localMode, localState: local,
129                htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
130      },
131
132      token: function (stream, state) {
133        return state.token(stream, state);
134      },
135
136      indent: function (state, textAfter, line) {
137        if (!state.localMode || /^\s*<\//.test(textAfter))
138          return htmlMode.indent(state.htmlState, textAfter, line);
139        else if (state.localMode.indent)
140          return state.localMode.indent(state.localState, textAfter, line);
141        else
142          return CodeMirror.Pass;
143      },
144
145      innerMode: function (state) {
146        return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};
147      }
148    };
149  }, "xml", "javascript", "css");
150
151  CodeMirror.defineMIME("text/html", "htmlmixed");
152});